using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Diagnostics.HealthChecks;
using Microsoft.Extensions.Logging;
using Volo.Abp.DependencyInjection;

namespace UserManagementService.HttpApi.Host.HealthChecks;

/// <summary>
/// 用户管理服务健康检查
/// </summary>
public class UserManagementHealthCheck : IHealthCheck, ITransientDependency
{
    private readonly ILogger<UserManagementHealthCheck> _logger;

    public UserManagementHealthCheck(ILogger<UserManagementHealthCheck> logger)
    {
        _logger = logger;
    }

    public Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
    {
        try
        {
            // TODO: 实现用户管理服务的健康检查逻辑
            // 可以检查：
            // 1. 数据库连接状态
            // 2. Keycloak连接状态
            // 3. 缓存连接状态
            // 4. 用户权限服务状态
            // 5. 组织管理服务状态

            _logger.LogDebug("用户管理服务健康检查完成");

            return Task.FromResult(HealthCheckResult.Healthy("用户管理服务运行正常"));
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "用户管理服务健康检查失败");
            return Task.FromResult(HealthCheckResult.Unhealthy("用户管理服务异常", ex.Message));
        }
    }
}